USER INSTRUCTIONS
6
Code
E21
General malfunction inside the printed circuit board.
Switch off the power supply at the main switch and then switch it on again;
When the error code on the display disappears, the boiler will restart automatically.
If the problem persists,
Call the Service Centre
.
Code
E22
Parameter programming request.
Switch off the power supply at the main switch and then switch it on again;
When the error code on the display disappears, the boiler will restart automatically.
If the problem persists,
Call the Service Centre.
Code
E35
Flame detection malfunction.
Press Reset button
‘
’ on the control panel to reset the error;
When the error code on the display disappears, the boiler will restart automatically.
If the problem persists,
Call the Service Centre.
Code
E40
Electric power supply out of the operation range
.
Call the Service Centre.
Code
F08
Frost protection function (central heating circuit) ON
.
Wait for the completion of the operation.
Code
F09
Frost Protection function (D.H.W circuit) ON
.
Wait for the completion of the operation.
Code
F28
Legionella Prevention Function.
Wait for the completion of the operation.
8. Switching OFF the boiler
To switch the boiler OFF, press
INFO button, the word OFF appears on the display. The central
heating frost protection system remains enabled.
If the boiler was previously ON, it is switched OFF and the fan overrun and pump overrun functions are
enabled.
N.B. If the boiler is to be left unused for a long period of time,
the user must do one of the following:
Make the boiler safe
by disconnecting all the power supplies (electricity and gas), and draining the heating
system;
Leave the boiler in
standby,
leaving the electricity and gas supplies connected and, consequently the frost
protection function.
